whiplash vs yark

whiplash

verb
  • To lash as if with a whip. 

  • To jerk back and forth; to buffet. 

noun
  • The lash of a whip. 

  • An injury to the upper spine connected to a violent jerk of the head in either a backward or forward or side to side direction, resembling the motion of a whip. 

  • An abrupt and unexpected change, or the resulting feeling of shock. 

yark

verb
  • To hit, strike, especially with a cane or whip. 

  • To crack (a whip). 

  • To draw (stitches etc.) tight. 

  • To make ready; prepare. 

How often have the words whiplash and yark occurred in a corpus of books? (source: Google Ngram Viewer )